Equal moles of hydrogen and oxygen gases are placed

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Equal moles of hydrogen and oxygen gases are placed in a container with a pin hole through which both can escape what fraction of the oxygen escapes in time required for one half of the hydrogen to escape

Answered by admin @


By graham's law of diffusion 


t2/t1 = (M2/M1) ^ ½ t2/t1  


= (32/2) ^½ t2/t1 


= (16/1) ^ ½ t2/t1  


= 4t2 = 4t1 


So 1 molecule of oxygen takes same time to escape as that of 4 molecules of Hydrogen 


Time taken by X molecules of oxygen to escape in the same time required by ½ of hydrogen to escape = (½) x (¼) = 1/8


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